紧急出口

emergency exit───紧急出口，太平门

emergency exits───紧急出口，太平门

emergentness───紧急性

emergence───n.出现，浮现；发生；露头

emergences───n.出现，浮现；发生；露头

emergencies───n.紧急事件；紧急需要

emergency aid───紧急救援

There is a clearstory window on the ceiling of cabin for ventilation, also is used as emergent exit.

• emergent exit